<template>
    <div class="app-container">
        <el-table v-loading="listLoading" :data="list" border fit highlight-current-row style="width: 100%">
            <el-table-column align="center" label="ID" width="80">
                <template slot-scope="{row}">
                    <span>{{ row.id }}</span>
                </template>
            </el-table-column>

            <el-table-column width="180px" align="center" label="Date">
                <template slot-scope="{row}">
                    <span>{{ row.timestamp | parseTime('{y}-{m}-{d} {h}:{i}') }}</span>
                </template>
            </el-table-column>

            <el-table-column width="120px" align="center" label="Author">
                <template slot-scope="{row}">
                    <span>{{ row.author }}</span>
                </template>
            </el-table-column>

            <el-table-column width="100px" label="Importance">
                <template slot-scope="{row}">
                    <svg-icon v-for="n in + row.importance" :key="n" icon-class="star" class="meta-item__icon" />
                </template>
            </el-table-column>

            <el-table-column class-name="status-col" label="Status" width="110">
                <template slot-scope="{row}">
                    <el-tag :type="row.status | statusFilter">
                        {{ row.status }}
                    </el-tag>
                </template>
            </el-table-column>

            <el-table-column min-width="300px" label="Title">
                <template slot-scope="{row}">
                    <template v-if="row.edit">
                        <el-input v-model="row.title" class="edit-input" size="small" />
                        <el-button
                            class="cancel-btn"
                            size="small"
                            icon="el-icon-refresh"
                            type="warning"
                            @click="cancelEdit(row)"
                        >
                            cancel
                        </el-button>
                    </template>
                    <span v-else>{{ row.title }}</span>
                </template>
            </el-table-column>

            <el-table-column align="center" label="Actions" width="120">
                <template slot-scope="{row}">
                    <el-button
                        v-if="row.edit"
                        type="success"
                        size="small"
                        icon="el-icon-circle-check-outline"
                        @click="confirmEdit(row)"
                    >
                        Ok
                    </el-button>
                    <el-button
                        v-else
                        type="primary"
                        size="small"
                        icon="el-icon-edit"
                        @click="row.edit=!row.edit"
                    >
                        Edit
                    </el-button>
                </template>
            </el-table-column>
        </el-table>
    </div>
</template>

<script>
import { fetchList } from "@/api/article";

export default {
    name: "InlineEditTable",
    filters: {
        statusFilter(status) {
            const statusMap = {
                published: "success",
                draft: "info",
                deleted: "danger"
            };
            return statusMap[status];
        }
    },
    data() {
        return {
            list: null,
            listLoading: true,
            listQuery: {
                page: 1,
                limit: 10
            }
        };
    },
    created() {
        this.getList();
    },
    methods: {
        async getList() {
            this.listLoading = true;
            const { data } = await fetchList(this.listQuery);
            const items = data.items;
            this.list = items.map(v => {
                this.$set(v, "edit", false); // https://vuejs.org/v2/guide/reactivity.html
                v.originalTitle = v.title; //  will be used when user click the cancel botton
                return v;
            });
            this.listLoading = false;
        },
        cancelEdit(row) {
            row.title = row.originalTitle;
            row.edit = false;
            this.$message({
                message: "The title has been restored to the original value",
                type: "warning"
            });
        },
        confirmEdit(row) {
            row.edit = false;
            row.originalTitle = row.title;
            this.$message({
                message: "The title has been edited",
                type: "success"
            });
        }
    }
};
</script>

<style scoped>
.edit-input {
  padding-right: 100px;
}
.cancel-btn {
  position: absolute;
  right: 15px;
  top: 10px;
}
</style>
